O'Callaghan, J. F. (1983). A history of medieval Spain. Cornell University Press.
芝加哥风格引文O'Callaghan, Joseph F. A History of Medieval Spain. Ithaca: Cornell University Press, 1983.
MLA引文O'Callaghan, Joseph F. A History of Medieval Spain. Cornell University Press, 1983.
警告：这些引文格式不一定是100％准确.